Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

91Health
Tool npm

prettier

An opinionated code formatter that enforces consistent style across every language your project speaks.

52,263
MIT
Used by 310
92Health
Library npm

TanStack Query

Hooks-based async state management for fetching, caching, and syncing server data in React.

50,296
MIT
Used by 182
93Health
Library PyPI

Pydantic

Data validation and settings management using Python type hints, backed by a Rust core.

28,772
MIT
Used by 102
92Health
Library npm

undici

A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies

7,695
MIT
Used by 70
93Health
Library PyPI

urllib3

A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.

4,058
MIT
Used by 48
68Health
Library npm

proxy-agent

Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.

1,161
MIT
Used by 47
84Health
Library npm

GraphQL.js

The JavaScript reference implementation of GraphQL for building type schemas and executing queries.

20,341
MIT
Used by 45
92Health
SDK npm

@clickhouse/client

The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.

331
Apache 2.0
Used by 38
92Health
Tool npm

GraphQL Code Generator

A plugin-based CLI that generates typed code from a GraphQL schema and operations

11,263
MIT
Used by 21
84Health
Library npm

http-proxy-middleware

The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.

11,126
MIT
Used by 20
48Health
Library npm

forge

A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.

5,331
Other
Used by 17
84Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,940
MIT
Used by 15
74Health
Framework npm

@apollo/server

Spec-compliant, production-ready GraphQL server for Node.js

13,952
MIT
Used by 14
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
94Health
Library npm

Apollo Client

Industry-leading GraphQL client with normalized caching for TypeScript and React

19,803
MIT
Used by 13
95Health
Tool npm

GraphiQL

The reference in-browser IDE for exploring, writing, and debugging GraphQL queries

16,905
MIT
Used by 13
94Health
Library npm

graphql-tools

The original SDL-first GraphQL schema builder, now a thin compatibility layer over @graphql-tools/schema.

5,431
MIT
Used by 11
82Health
Library npm

graphql-ws

Zero-dependency server and client implementing the GraphQL over WebSocket Protocol

1,871
MIT
Used by 11
69Health
Library npm

DataLoader

A batching and caching layer that coalesces per-request data loads into a fraction of the backend calls.

13,390
MIT
Used by 10
69Health
Tool npm

@vitejs/plugin-basic-ssl

A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.

516
MIT
Used by 8
55Health
Library npm

superagent

A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.

16,637
MIT
Used by 7
72Health
Library Cargo

ureq

A simple, safe, blocking HTTP client for Rust with minimal dependencies.

2,190
Apache 2.0
Used by 7
71Health
Library npm

graphql-scalars

A drop-in library of 70+ precise, spec-compliant GraphQL scalar types for emails, dates, IDs, currencies, and geodata.

1,931
MIT
Used by 7
50Health
Library npm

follow-redirects

A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.

580
MIT
Used by 7

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